UltiMachine Archim 1 support (#12404)

Marlin/Makefile

@@ -404,8 +404,14 @@ else ifeq ($(HARDWARE_MOTHERBOARD),88)
   HARDWARE_VARIANT ?= Teensy
   MCU              ?= at90usb1286
 
+# UltiMachine Archim1 (with DRV8825 drivers)
+else ifeq ($(HARDWARE_MOTHERBOARD),1591)
+  HARDWARE_VARIANT ?= archim
+  MCPU              = cortex-m3
+  F_CPU             = 84000000L
+  IS_MCU            = 0
 # UltiMachine Archim2 (with TMC2130 drivers)
-else ifeq ($(HARDWARE_MOTHERBOARD),1590)
+else ifeq ($(HARDWARE_MOTHERBOARD),1592)
   HARDWARE_VARIANT ?= archim
   MCPU              = cortex-m3
   F_CPU             = 84000000L

Marlin/src/HAL/HAL_DUE/usb/conf_usb.h

@@ -49,6 +49,7 @@
 
 #undef UNUSED                           /* To avoid a macro clash as macros.h already defines it */
 #include "../../../core/macros.h"       /* For ENABLED()/DISABLED() */
+#include "../../../core/boards.h"       /* For MB() */
 #include "../../../../Configuration.h"  /* For CUSTOM_MACHINE_NAME definition - We just need the name, no C++ allowed! */
 #include "compiler.h"
 
@@ -88,7 +89,11 @@
 //#define  USB_DEVICE_LOW_SPEED
 
 //! To define a Full speed device
-//#define  USB_DEVICE_FULL_SPEED
+//#define USB_DEVICE_FULL_SPEED
+
+#if MB(ARCHIM1)
+  #define USB_DEVICE_FULL_SPEED
+#endif
 
 //! To authorize the High speed
 #ifndef USB_DEVICE_FULL_SPEED